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Comcast Business Ipv6 Prefix Delegation. Everything is working, but I … I have turned off IPv6 in my networ

Everything is working, but I … I have turned off IPv6 in my network. Why IPv6 prefix delegation doesn't work By default, my ISP provides a 64-bit IPv6 prefix to the FRITZ!Box, which makes IPv6 prefix delegation (PD) impossible. For example, on the … IPv6 Configuration Type: DHCP6 Prefix Delegation size: 56 (I found somewhere this was the size supported by Spectrum) Send IPv6 prefix hint: checked Set the LAN interface to track WAN Once it was working, I very … Subject: Re: [pfSense] IPv6 with Comcast and two pfSense - invalid prefix length, XID mismatch I'm going to have to guess that you are out of luck for IPv6 then. I have a single static IPv4 assigned and a static /56 IPv6 delegation. I see the /59 being requested and delegated when I analyze the traffic … After a recent planned downtime for Comcast to make changes to the network in my neighborhood, I find that I am no longer getting IPv6 connectivity. It lets me … What you have to do is select DHCPv6 Prefix Delegation size on the WAN page, which would be /60 in your case. Then on each LAN or VLAN interface, you select a unique IPv6 Prefix ID. Comcast support has indicated that changing my business plan to a higher-speed tier will open up new models available that might … I have a /56 static on Comcast Business. In my set up I use the typical DHCP V6 settings discussed in the forum with a prefix delegation of 64 and I’m using residential service. I've set "DHCPv6 Prefix Delegation size" on the WAN interface config page to /59. IPv6 Configuration type - Track interface IPv6 Interface - WAN IPv6 Prefix ID - 0 Block BOGON network - unticked Firewall rule to allow ICMP4 & 6 on WAN DHCPv6 Server enabled on LAN … The pfsense must ask for a 57 prefix (DHCPv6 Prefix Delegation size at WAN DHCP6 Client Configuration), not a 56 prefix. Recently I had a cable modem issue (as determiend by comcast) and the cable modem was replaced. 357 PDT: IPv6 DHCP: Received … The inability to route IPv6 traffic to these subnets is currently blocking full IPv6 deployment. The proper value depends on what prefix size they … Unfortunately, I'm at a loss on how to delegate these prefixes to our Fortinet device through Xfinity's interface. ) Unknown Prefix Delegation Size (Size of the IPv6 prefix delegated to customers) Provides a prefix delegation … 2. And after … Unknown ISP Website IPv6 (Is the ISP's primary website accessible over IPv6. It has caused numerous problems with Comcast's implementation. Hello, If I just attach my linux box and do dhcpv6, everything works. , for Comcast Home, PD size … No matter which guide I follow, I cannot get any size prefix (/56, /59, /60, or /64). It's more that Comcast will mess with something that will cause all delegations need to be reissued, in which case all my IPV6 stuff will stop working. not using their device as the first hop router for your LAN (s)), the following is required. Pinging IPv6 hosts from the router works as expected. I'm running pfsense as my … For IPv6, no custom configuration is required on the Business IP Gateway since the provisioning of the IPv6 prefix is managed by Comcast. Do the modems support prefix delegation of at least a /60? Is there any speculation that *gasp* true static IPv6 will ever be offered? Thanks in advance. My network router (Unifi UDM Pro) doesn't … I have a Linksys router running OpenWRT 18. 06. Prefix delegation is generally not supported on cellular networks, for example … My prefix changes whenever the Comcast modem reboots for maintenance and/or some combination of my prefix lease expiring. I've successfully pulled a /56 for several years now, so this … Is anyone else having issues with their delegated IPv6 prefix? Our CGA4332COM correctly shows our assigned /56 address but it is not handing out the /59 prefix to our router … Hey everyone! I'm trying to figure out how to utilize the /56 IPv6 prefix that Comcast Business assigned to me. You would need to subscribe to a … Through trial and error, the combination of settings I used to get basic routing functionality were this: Comcast Business Gateway set to Stateful (Use DHCP Server), along … According to my account's static IP settings, I've been assigned a /29 IPv4 block and a /56 IPv6 block. I'm now trying to drop in a pfsense box as a router/firewall & … Hey everyone! I'm trying to figure out how to utilize the /56 IPv6 prefix that Comcast Business assigned to me. Thank you to mikehanley from the Comcast Business Support Community Forums for the dhcpv6-pd commands. then you need an ipv6 capable client. I don't know if it's exactly the same in the … So, the CG3000DCR is now end-of-life. It took about a week, but I also opened the case the Wednesday before … From my readings on IPv6, I at first thought it seemed like I was expected to run a DHCPv6 client on the Comcast-facing side of moya, to request an IPv6 Prefix Delegation (PD). com/conversations/ipv6/questions-about-comcast … On the LAN side I have the interface type set to Prefix Delegation, the Prefix Delegation Interface set to WAN1, IPv6 Router Advertisement enabled, the priority set to high and a range between … I noticed over this past weekend my IPv6 prefix "hint" on Business Internet for a /56 now gets ignored and I'm only handed a /60. businesshelp. Your screenshot for … i cannot get ipv6 to work with comcast business. If if you have the pfsense behind another Router, … I had Comcast and my Cisco RV34x router working fine with IPv6 there. 5, and am getting an IP address and a prefix delegation from my ISP (Comcast). com/conversations/ipv6/how-to-setup-ipv6-without-comcast-dhcpv6-prefix … IPv6 Interface Type gets set to Prefix Delegation, you select the WAN interface you used earlier, and you set the IPv6 Prefix ID to 1. Setting up IPv6 on a Comcast Business account is not … IPv6 Prefix Delegation and terrible support My setup is pretty simple Comcast Gateway <-- --> Mikrotik Router <-- --> LAN Since my comcast gateway is given a /56, I'm … Even if I got this working again there's no guarantee that it would keep working since it's obvious Comcast isn't adequately testing and maintaining their deployed equipment … Comcast delegates to my router a /59 prefix, instead of a /60. I want to use it similarly to how I would with my IPv4 block, … I was ultimately able to get Comcast to roll back my firmware and prefix delegation is working again. A two-fer. 1-RELEASE to test IPv6 (Comcast recently activated native dual-stack in WA, so I thought now would be a good time to That got me prefix hints via the "preferred-prefix-length" option, and the ability to specify PD subnet size with the "sub-prefix-length" option. I configured … For IPv6, no custom configuration is required on the Business IP Gateway since the provisioning of the IPv6 prefix is managed by Comcast. You would need to subscribe to a … For IPv6, no custom configuration is required on the Business IP Gateway since the provisioning of the IPv6 prefix is managed by Comcast. I recall having a bear of a time getting IPv6 to work on a Technicolor gateway about 5 or … In order to run your own network border (i. I have a Cisco DPC3941B, which is in psuedo-bridge mode, and a … The "DHCPv6 Prefix Delegation size" defaults to 64 on the WAN side and the "IPv6 Prefix ID" defaults to 0 on the LAN side. Go to www. (Also like that the pinned post is over a decade old here. I suggest setting DHCPv6/RDNSS DNS Control to Auto, mine is set to … From my readings on IPv6, I at first thought it seemed like I was expected to run a DHCPv6 client on the Comcast-facing side of moya, to request an IPv6 Prefix Delegation (PD). g. &nbsp; Everything is … IPv6 Prefix ID: 0-f or 0-ff (Home or Business) If you keep your local network primarily ipv4, and ipv6 for mostly internet facing items, you will have a better life. My network router (Unifi UDM Pro) doesn't … I have just upgraded to a static IP via Comcast Business. I want to use it similarly to how I would with my IPv4 block, … Why does Comcast give out /56 prefixes when /64 is what is standard via the IETF? Comcast is actually giving me 8 more address bits for a total of 72 for me. On the one hand, if you have only one router, this is a … State of IPv6 prefix delegation functionality on current business modems 2 Replies Can we keep a running status in this thread of (Business service) Comcast-provided modem (by model) prefix delegation conformity? I have several client locations in … How much of the the IPv6 prefix delegation is handled by the modem as opposed to upstream? At least some of it is if a firmware update can cause us so much havoc. The pfsense must ask for a 57 prefix (DHCPv6 Prefix Delegation size at WAN DHCP6 Client Configuration), not a 56 prefix. Most notably, clients can have as many addresses as they want, and usually, clients choose their address suffix on their own … IP assignment works a bit differently in IPv6 vs IPv4. Is there something in particular you’re looking to do? Hi all, I'm hoping someone here with IPv6 knowledge can assist me with better understanding how the heck this is all meant to work. You would need to subscribe to a … Comcast Trial IPV6 prefix delegation size. I had to turn IPv6 on in the LAN network as well not just WAN. Questions about Comcast Business Delegated Prefixes It's my understanding that DHCP-PD is only responsible for doling out IPv6 prefixes to routers which ask for them, and … I have a /56 static on Comcast Business. This is unexpected, but it’s okay, because one /59 is two /60s. If if you have the pfsense behind another Router, … I noticed over this past weekend my IPv6 prefix "hint" on Business Internet for a /56 now gets ignored and I'm only handed a /60. I have tried flipping on and off all kinds of settings and I … We will use this to set up static IPv6 on the UDM Pro UDM Pro Go to Settings -> Internet -> Advanced -> IPv6 Connection and set the following IPv6 Connection: DHCPv6 Prefix … According to my account's static IP settings, I've been assigned a /29 IPv4 block and a /56 IPv6 block. Nor will the "how to set up ipv6 without comcast dhcpv6 prefix delegation" guide work. The Cisco configuration, in brief, is: WAN DHCP connection, DHCP-PD on (64-bit prefix); LAN and … These are some notes that helped get IPv6 working on pfSense with Comcast Business as the ISP using IPs dynamic IPs. The description of the "IPv6 Prefix ID" parameter on each LAN interface should show you the correct range for the prefix IDs for the given delegation size; e. The static IPv6 is a prefix delegation and if you have an IPv6 compliant router it can accept that prefix delegation and subsequently assign or allow you to assign static IPv6 … I’ve grown accustomed to IPv6 being overlooked in rarely-used functions, and releasing an IPv6 prefix delegation seemed like the kind of thing that might get overlooked. I realized I only need one subnet, thanks to all … Status on latest modems that work with prefix delegation Hello, for many years I have had the DPC3939B modem at my Comcast Business site that hosts my email. I'm using a Cisco … If you need IPv6 rDNS you do need to contact Comcast support. I used prefix delegation 60. modem is in bridge mode. In addition, with static IP addresses also comes with a static … I’ve grown accustomed to IPv6 being overlooked in rarely-used functions, and releasing an IPv6 prefix delegation seemed like the kind of thing that might get overlooked. You would need to subscribe to a … What is the Comcast IPV6 Prefix Delegation Size for Residential 1200Mbps Tier? : r/Comcast_Xfinity r/Comcast_Xfinity For IPv6, no custom configuration is required on the Business IP Gateway since the provisioning of the IPv6 prefix is managed by Comcast. It depends on what the ISP gives out and his cable modem hardware). I have a Cisco DPC3941B, which is in psuedo-bridge mode, and a … So, the CG3000DCR is now end-of-life. Before I paid for static, my Pfsense box picked up IPv6 like this: … In general, a delegating router is provided with IPv6 prefixes to be delegated to requesting routers so you should get this prefix delegation from Comcast. e. Most notably, clients can have as many addresses as they want, and usually, clients choose their address suffix on their own … First open your USG device in your Unifi Dashboard and enable ipv6 as follows, for Comcast I filled in 64 as the Prefix Delegation Size Next you have to configure ipv6 for all your networks. comcast. Comcast has long ago been attempted to be a leader in IPv6 … IP assignment works a bit differently in IPv6 vs IPv4. Comcast has eaten … I have set up my router as suggested by the post: https://forums. &nbsp; Recently I had a cable modem issue (as determiend by comcast) and the cable modem was replaced. I've successfully pulled a /56 for several years now, so this … DHCPv6 Prefix Delegation is supported by most ISPs who provide native IPv6 for consumers on fixed networks. Everything is working, but I … Status on latest modems that work with prefix delegation Hello, for many years I have had the DPC3939B modem at my Comcast Business site that hosts my email. I have a business account and they told me I was assigned 2603:XXX:YYY:ZZZ::/56. , for Comcast Home, PD size … The description of the "IPv6 Prefix ID" parameter on each LAN interface should show you the correct range for the prefix IDs for the given delegation size; e. comcast6. I have a Cisco DPC3941B, which is in psuedo-bridge mode, and a … This link says that all that is needed to do is to enable IPv6 on the Setup/IPV6 page in the DD-WRT router and to choose the IPv6 Type "DHCPv6 with Prefix Delegation", and the IPv6 … Under LAN, set IPv6 Interface Type to Prefix Delegation, enable IPv6 RA, set RA Priority to High, and leave the range and DNS settings alone. Comcast support has indicated that changing my business plan to a higher-speed tier will open up new models available that might … Comcast's Response For Use of a 64 Prefix for IPv6 Hier sollte eine Beschreibung angezeigt werden, diese Seite lässt dies jedoch nicht zu. I have a /56 static on Comcast Business. I would appreciate detailed guidance or escalation to a technical team familiar … On a related note, back when my static IPv6 actually worked (prior to the modem replacement), my Mikrotik device received the same /59 as a sub-delegation from the comcast … Having done this, /ipv6/address/print should show a new entry from your ISP’s IPv6 prefix assignment with the “G” (global) flag set and with “ ipv6 ” as the pool name. What you can do is to contact our technical support and … I use Comcast Business and IPv6 appears to work in a pretty turn-key manner in UniFi. Some of the configuration below is arbitrary and … According to my account's static IP settings, I've been assigned a /29 IPv4 block and a /56 IPv6 block. It lets me … (3) When pinging an IPv6 address on my LAN side (a *public* address that was assigned to my downstream device via DHCPv6 Prefix Delegation) from an external source, … DHCPv6 Prefix delegation size: 64 (<== MY NOTE: the Comcast thread says he needed to set this to 60. If … trueI got it working with Comcast in Atlanta on a UDMP. net it will display yo I am having trouble stetting up a static IPb6 on Comcast. i have it set to prefix delegation at a /55 and tried a prefix hint and without a prefix hint. Additionally, we have a Verizon FIOS connection on our Fortinet's primary … Is prefix delegation not supported on the cga4131com? Am I barking up the wrong tree trying to get this to work? I have a /29 block of static IPs so am using the modem in pass … In this tutorial, and if you have Comcast/Xfinity High Speed Internet and a new cable modem, you have IPv6 support. My previous gateway was just swapped out due to connectivity issues, and I can't seem to get prefix delegation working quite right on the new box. I recently rebuilt my pfSense box with 2. Everything I have read … IPv6, prefix delegation, and undocumented default behaviorThe code doing auto-DHCPv6/RA on tracking interfaces originates from pfSense actually, but has gone through a … The new modem caused me to get a new ipv6 prefix, requiring me to spend an entire day purging the old one from freeipa and lots of other places--and that was totally … This is a very good thread on this topic. I miss NetDog!) @t_wrex Thanks for reaching out to us , Xfinity business does support … Hey folks, I'm just checking in to see what the latest state of IPv6 is on business class. So, my brain:I have been trying to learn how IPv6 … Your WAN and LAN settings look correct (although you can request a prefix delegation size of up to /60 in case you want to support multiple LANs). It's still not tragic, as … My prefix changes whenever the Comcast modem reboots for maintenance and/or some combination of my prefix lease expiring. https://forums. Questions about Comcast Business Delegated Prefixes It's my understanding that DHCP-PD is only responsible for doling out IPv6 prefixes to routers which ask for them, and … trueHi! Thanks for the response. If you have a very small number of hosts with fixed addresses, you can rely on Comcast DNS servers and provide that short list to support. Beginning sometime yesterday (16 Jun 2015) afternoon, I no longer received an IPv6 prefix delegation from comcast: Jun 17 12:18:05.